05-24-2009, 02:40 PM
|
#1 (permalink)
|
|
Master EcoModder
Join Date: Jun 2008
Location: North Andover, MA
Posts: 857
Thanks: 5
Thanked 23 Times in 19 Posts
|
2010 Prius with Sunroof open...aero?
What do you think of the sun roof wind deflector on the new 2010 Gen 3 Prius? Pretty steep angle on the wind deflector on the front of the sun roof...seems odd looking to me. Any comments on it?
|
|
|
|
 Today
|
|
|
|
Other popular topics in this forum...
|
|
|
|
|
05-24-2009, 03:19 PM
|
#2 (permalink)
|
|
Master EcoModder
Join Date: Jan 2009
Location: Maui, Hawaii
Posts: 813
Thanks: 5
Thanked 34 Times in 26 Posts
|
Life isn't just about aerodynamics. Sometimes you want the sun shining down on the top of your head
|
|
|
|
|
05-24-2009, 03:25 PM
|
#3 (permalink)
|
|
Master EcoModder
Join Date: Jun 2008
Location: North Andover, MA
Posts: 857
Thanks: 5
Thanked 23 Times in 19 Posts
|
Quote:
Originally Posted by winkosmosis
Life isn't just about aerodynamics. Sometimes you want the sun shining down on the top of your head
|
I thought the only reason I'm alive was to get max mpg...hmmm?  |
|
|
|
|
05-24-2009, 10:14 PM
|
#4 (permalink)
|
|
EcoModding Lurker
Join Date: Dec 2008
Location: Rio de Janeiro - Brasil
Posts: 14
Thanks: 0
Thanked 0 Times in 0 Posts
|
you can see in the picture, only used while stopped.
__________________
|
|
|
|
|
05-24-2009, 11:09 PM
|
#5 (permalink)
|
|
Master EcoModder
Join Date: Jun 2008
Location: North Andover, MA
Posts: 857
Thanks: 5
Thanked 23 Times in 19 Posts
|
Quote:
Originally Posted by Junimrox
you can see in the picture, only used while stopped.
|
What's only used when stopped...the wind deflector? How's that work? |
|
|
|
|
05-25-2009, 04:14 AM
|
#6 (permalink)
|
|
EcoModding Apprentice
Join Date: Sep 2008
Location: Australia
Posts: 109
Thanks: 1
Thanked 5 Times in 5 Posts
|
It certainly wont lower the drag 
I wouldnt mind betting they had to go steep to stop the airflow diving in behind due to the good flow over the front. |
|
|
|
|
05-25-2009, 07:34 AM
|
#7 (permalink)
|
|
Master EcoModder
Join Date: Feb 2008
Location: belgium
Posts: 663
Thanks: 14
Thanked 61 Times in 44 Posts
|
the opel calibra had a similar sunroof, the problem with sunroofs is that they take up headroom, especially when you want a roofline that starts slopeing down behind the driver, but still allows for rear passenger headroom (also like the calibra coupe wich was a full 4 seater not a 2+2) so you can eigher raise the roof and increase drag all the time even on vehicles without the sunroof (wich i assume is not standard as on most cars) . or you have the sunroof opening externally wich increases drag when open, but allows for a much lower roofline when closed... since its probably more comfortable anyway to run the airco and close the roof at highway speeds, the overall impact on aero of this setup will be far less than a permanent raised roof on all models. so if you want an opening sunroof, considdering aero this is the best option.
|
|
|
|
|
05-25-2009, 11:02 AM
|
#8 (permalink)
|
|
Administrator
Join Date: Dec 2007
Location: Germantown, WI
Posts: 11,203
Thanks: 2,501
Thanked 2,588 Times in 1,555 Posts
|
It definitely will hurt aero. Use it tootin around town at 25 mph if you want to. Once you get up to any semi-fast speed, I'd close it up for sure.
|
|
|
|
|
05-25-2009, 07:41 PM
|
#9 (permalink)
|
|
EcoModding Lurker
Join Date: Dec 2008
Location: Rio de Janeiro - Brasil
Posts: 14
Thanks: 0
Thanked 0 Times in 0 Posts
|
Quote:
Originally Posted by Matt Herring
What's only used when stopped...the wind deflector? How's that work?
|
just kiddin'!
but always drive with it closed, we don't want to hurt our dear mpg's
__________________
|
|
|
|
|
06-06-2009, 09:39 PM
|
#10 (permalink)
|
|
Batman Junior
Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,534
Thanks: 4,082
Thanked 6,979 Times in 3,614 Posts
|
Yeah, that style of sunroof is an aero disaster. Flow separation at the highest point of the roof! Mr Kamm, your back is wasted here with that open.
But a sunroof is nice. My dad won't actually buy a car that doesn't have one.
|
|
|
|
|
